TM 9-4120-404-14
Section VI. Unit Maintenance Procedures .......................................................................................................... 3-39
Electrical Wiring Repair General ....................................................................................................... 3-39
Fabric Cover ................................................................................................................................... 3-44
Access Panel .................................................................................................................................. 3-46
Conditioned Air Louver ..................................................................................................................... 3-48
Return Air Louver ............................................................................................................................. 3-50
Condenser Exhaust Louvers ............................................................................................................. 3-52
Ventilation Guard and Ventilation Air Filter ........................................................................................ 3-55
Filter, Air Conditioning ...................................................................................................................... 3-57
Condenser Coil Guard ..................................................................................................................... 3-59
Information Plates ........................................................................................................................... 3-60
Metal Covers ................................................................................................................................... 3-62
Mist Eliminator ................................................................................................................................ 3-64
Heating Elements (HR1 through HR6) .............................................................................................. 3-66
Heater Cutout Switch (S3) ................................................................................................................ 3-69
Heater Relay (K1) ............................................................................................................................ 3-72
Condensate Drain Assembly ............................................................................................................ 3-75
Evaporator Fan Motor ...................................................................................................................... 3-77
Condenser Fan Motors .................................................................................................................... 3-78
Louver Actuator (Cables .................................................................................................................. 3-82
Circuit Breaker (CB1) ....................................................................................................................... 3-85
Logic Box Assembly (LGC) .............................................................................................................. 3-88
Motor Controller (MC) .................................................................................................................... 3-103
Transformer (T1) ........................................................................................................................... 3-106
Rectifier (CR1) .............................................................................................................................. 3-109
Control Panel Assembly ................................................................................................................. 3-112
EMI Filter (FL1) ............................................................................................................................. 3-117
Relay (K2) ..................................................................................................................................... 3-119
Coil Frost Switch (S2) .................................................................................................................... 3-122
Terminal Boards (TB1), (TB2), and (TB3) ........................................................................................ 3-125
Wiring Harnesses .......................................................................................................................... 3-129
Coil (Solenoid Valve) ..................................................................................................................... 3-132
Section VII. Preparation for Storage or
Shipment ............................................................................................ 3-135
3-48. Preparation for Storage .................................................................................................................. 3-135
3-2